What it is
CVE-2026-34926 is a vulnerability affecting Trend Micro, Inc. TrendAI Apex One, TrendAI Apex One as a Service. A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated...
Vulnerability report
Exploited in the wild
Confirmed confidence
In CISA KEV
CVE-2026-34926
TrendAI Apex One Path Traversal
Trend Micro / TrendAI Apex One · affected before 14.0.0.17079
- Severity
- CVSS 6.7 · Medium
- Confidence
- Confirmed
- Exploit status
- Exploited in the wild
- EPSS
- 12.7%
- First observed
- —
- Last observed
- —
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.
Who is affected?
Trend Micro, Inc. / TrendAI Apex One affected before 14.0.0.17079.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
TrendAI Apex One Path Traversal
A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations.
This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.
Vendor
Product
Affected
Status
Trend Micro, Inc.
TrendAI Apex One
Before 14.0.0.17079
Affected
Trend Micro, Inc.
TrendAI Apex One as a Service
Before 14.0.20731
Affected
- Published
- 21 May 2026
- Exploitation Reported
- 01 Jun 2026
- Attack vector
- Local
- Complexity
- High
- Privileges
- High
- User interaction
- None
Tags
cisa
CVE References
- CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2026-34926
- success.trendmicro.com/en-US/solution/KA-0023430 success.trendmicro.com · CVE Record https://success.trendmicro.com/en-US/solution/KA-0023430
- success.trendmicro.com/ja-JP/solution/KA-0022974 success.trendmicro.com · CVE Record https://success.trendmicro.com/ja-JP/solution/KA-0022974
- jvn.jp/en/vu/JVNVU90583059 jvn.jp · CVE Record https://jvn.jp/en/vu/JVNVU90583059/
- jpcert.or.jp/english/at/2026/at260014.html jpcert.or.jp · CVE Record https://www.jpcert.or.jp/english/at/2026/at260014.html
Exploitation evidence
Why KEV Intelligence marks this CVE as exploited
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
Exploited in the wild
CVE
Independent exploitation attestation added to the KEV Intelligence record.
Known exploited vulnerability sources
Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2026-06-01 13:29 UTC |
| CISA | 2026-06-02 14:00 UTC |
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 0
- User-Agents
- 0
Raw values available in Pro and Enterprise.
Scanner coverage
No scanner integrations recorded yet.
Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Risk and context
Severity, weaknesses, and research context
CVSS v3.1
6.7
Medium
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
EPSS
12.7%
Weaknesses
Timeline
From disclosure to observed exploitation
-
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
Added to KEV Intelligence KEV Feed
High-confidence, third-party attested exploitation
-
CVE published
Vulnerability disclosed publicly
-
CVE ID reserved
Identifier reserved by the CNA
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/CVE-2026-34926
Free JSON includes basic KEV fields{
"cve_id": "CVE-2026-34926",
"confidence": "Confirmed",
"cvss_score": 6.7,
"cvss_estimated": false,
"epss_score": 0.12682,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}Early warning alerts
Get alerts on high-impact exploitation
Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.